CN109499410B - Venturi emulsion preparation device with Venturi injection structure and injection hole - Google Patents
Venturi emulsion preparation device with Venturi injection structure and injection hole Download PDFInfo
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- CN109499410B CN109499410B CN201910025664.6A CN201910025664A CN109499410B CN 109499410 B CN109499410 B CN 109499410B CN 201910025664 A CN201910025664 A CN 201910025664A CN 109499410 B CN109499410 B CN 109499410B
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- venturi
- throat
- injection
- injection hole
- hole
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- 238000002347 injection Methods 0.000 title claims abstract description 201
- 239000007924 injection Substances 0.000 title claims abstract description 201
- 239000000839 emulsion Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 41
- 238000009472 formulation Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 24
- 239000007864 aqueous solution Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000002283 diesel fuel Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- KIDBBTHHMJOMAU-UHFFFAOYSA-N propan-1-ol;hydrate Chemical compound O.CCCO KIDBBTHHMJOMAU-UHFFFAOYSA-N 0.000 description 1
- -1 propylene alcohol Chemical compound 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3125—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characteristics of the Venturi parts
Abstract
The invention discloses a venturi emulsion preparation device with an injection hole of a venturi injection structure, which comprises a venturi pipe section and an injection hole group with variable injection ratio; the throat part of the venturi tube section is provided with a throat threaded hole; the variable injection ratio injection hole group comprises three main injection holes which can be mutually replaced; each main injection hole comprises auxiliary injection holes with different apertures and divergent thread ports with the same structure. The external threads of the gradually-expanding thread ports are connected with the internal threads of the threaded holes of the throat, the main injection holes are screwed clockwise, so that the threads of the external threads and the main injection holes are tightly matched, finally, the main injection holes are fixed at the throat of the venturi tube section 1, the whole venturi emulsion preparation device is formed, the main injection holes with different auxiliary injection apertures are replaced and fixed at the throat of the venturi tube section 1, and the emulsion preparation proportion of the device can be changed. The invention is suitable for online preparation of three-component emulsion at the same time, reduces consumable materials and preparation period, and improves preparation efficiency.
Description
Technical Field
The invention relates to the technical field of emulsion preparation, in particular to a venturi emulsion preparation device with an injection hole of a venturi injection structure.
Background
In recent years, the imported crude oil quantity in China is continuously increased, the external dependence of petroleum is greatly increased, and the method is a great potential safety hazard for sustainable development of national economy. Under the situation of global energy shortage, the diversification of the primary energy structure, the development of petroleum alternative fuel and the adjustment of the secondary/terminal energy structure can reduce the dependence of China on imported petroleum, relieve the contradiction of the structure of petroleum supply and demand and ensure the energy safety of China. Alcohol-containing emulsions are one of the ideal alternative fuels.
The emulsion is widely applied in production and life, one of the main preparation methods at present is a Venturi method, such as that the propylene and water must be mixed according to the following ratio of 1: 3-1: 5, introducing the mixed propanol aqueous solution into the venturi tube from the throat of the venturi tube, mixing with diesel oil flowing through the throat, and fully mixing to obtain emulsion through the diverging section of the venturi tube. Therefore, in order to shorten the production period of the emulsion and meet the requirements of different proportioning working conditions, the online mixing technology of three liquids can be directly completed, namely a venturi emulsion preparation device with an injection hole of a venturi injection structure becomes an urgent need for research in the field.
Disclosure of Invention
The invention mainly solves the technical problem of providing a venturi emulsion preparation device with an injection hole of a venturi injection structure, which can meet the requirement of rapidly and efficiently preparing emulsion under different proportioning working conditions.
In order to solve the technical problems, the invention adopts a technical scheme that:
a venturi emulsion preparation device with an injection hole of a venturi injection structure comprises a venturi pipe section 1 and an injection hole group 2 with variable injection ratio; the throat part of the venturi tube section 1 is provided with a throat threaded hole 11; the variable injection ratio injection hole group 2 comprises a main injection hole a21, a main injection hole b22 and a main injection hole c23; the main injection hole a21 comprises an auxiliary injection hole a211 and a divergent thread port a212; the main injection hole b22 comprises a secondary injection hole b221 and a divergent thread port b222; the main injection hole c23 comprises an auxiliary injection hole c231 and a divergent thread port c232; the external thread of each gradually-expanding thread port is tightly matched with the internal thread of the threaded hole 11 of the throat part of the venturi tube section 1, the main injection hole is screwed clockwise and fixed at the throat part of the venturi tube section 1, and the assembly of the whole venturi emulsion preparation device is completed.
The venturi section 1 is formed by a complete venturi section, and a threaded hole is formed in the radial direction along the midpoint of a generatrix of the lateral surface of the throat cylinder; the threaded hole is a throat threaded hole 11, the diameter of the threaded hole is 8cm, the end of the threaded hole is cut off from the cylindrical outer wall of the throat of the venturi tube section 1 to the inner wall, the cylindrical side wall is provided with an internal thread which is tightly matched with the external thread of each gradually-expanding threaded port, and fine threads are adopted.
The variable injection ratio injection hole group 2 consists of 3 main injection holes with similar Venturi injection structures; the whole main injection hole of each Venturi injection structure is divided into three parts, namely a tapered section, a throat section with an auxiliary injection hole and a divergent section with a divergent thread port from top to bottom; the auxiliary guiding hole is radially formed along the middle point of the generatrix of the side surface of the throat section cylinder, and the thread of the gradually-expanding thread port is an external thread and is tightly matched with the internal thread of the throat threaded hole 11; the venturi injection structures of the main bodies of different main injection holes are the same, but the apertures of the auxiliary injection holes at the throats are different, the diameter of the auxiliary injection hole a211 at the middle of the throat of the main injection hole a21 is 1.6cm, the diameter of the auxiliary injection hole b221 at the middle of the throat of the main injection hole b22 is 2cm, and the diameter of the auxiliary injection hole c231 at the middle of the throat of the main injection hole c23 is 2.4cm.
The main injection holes in the variable injection ratio injection hole group 2 can be mutually and alternately matched and fixed with the throat threaded holes 11 of the venturi tube section 1, the diameters of the auxiliary injection holes of the main injection holes carried on the throat of the venturi emulsion preparation device are changed according to actual proportioning working conditions, the injection ratio can be adjusted, and the purpose of changing the preparation proportion of each component in emulsion in the venturi emulsion preparation device is achieved.
The beneficial effects of the invention are as follows:
according to the venturi emulsion preparation device with the injection holes with the venturi injection structure, the effect of changing the concentration of the propanol aqueous solution formed in the main injection holes is achieved by replacing all the main injection holes in the injection hole group with the variable injection ratio, so that the emulsion preparation device can prepare emulsion under the condition of multiple proportioning of the propanol aqueous solution, the preparation period is shortened, and the consumable of the device is saved; all main injection holes are detachable parts, so that the maintenance and replacement are convenient.
Drawings
FIG. 1 is a first assembly view of a venturi emulsion formulation apparatus having an injection orifice with a venturi injection structure according to the present invention;
FIG. 2 is a second assembly view of a venturi emulsion formulation apparatus having an injection orifice with a venturi injection structure according to the present invention;
FIG. 3 is a three-dimensional view of a venturi emulsion dispensing device incorporating a venturi eductor structure of the present invention;
FIG. 4 is a front cross-sectional view of a venturi emulsion dispensing device incorporating a venturi eductor structure of the present invention;
FIG. 5 is a three-dimensional view of a variable injection ratio injection hole set in a venturi emulsion formulation apparatus having injection holes with a venturi injection structure according to the present invention;
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description, so that the advantages and features of the invention may be more readily understood by those skilled in the art, the scope of the invention may be more clearly and clearly defined.
The invention relates to a venturi emulsion preparation device with an injection hole of a venturi injection structure, which comprises a venturi pipe section 1 and an injection hole group 2 with variable injection ratio; the throat part of the venturi tube section 1 is provided with a throat threaded hole 11; the variable injection ratio injection hole group 2 comprises a main injection hole a21, a main injection hole b22 and a main injection hole c23; the main injection hole a21 comprises an auxiliary injection hole a211 and a divergent thread port a212; the main injection hole b22 comprises a secondary injection hole b221 and a divergent thread port b222; the main injection hole c23 includes a sub injection hole c231 and a divergent thread port c232.
As a preferred embodiment of the present invention, as shown in fig. 1, venturi section 1 is placed horizontally as shown in the figure, and throat threaded hole 11 opens vertically upward; as shown in fig. 2, the main injection hole b22 is taken out from the injection hole group 2 with the variable injection ratio, the tapered port of the main injection hole b22 is vertically upwards placed, the auxiliary injection hole b221 is horizontally and rightwards placed, the divergent thread port b222 is downwards opposite to the threaded hole 11 of the throat, and then the main injection hole b22 is vertically and downwards pushed along the arrow mark direction of the line frame in the figure; as shown in fig. 3, the external thread of the diverging threaded port b222 is pushed to be engaged with the internal thread of the throat threaded hole 11, the main injection hole b22 is screwed clockwise, the external thread of the diverging threaded port b222 and the internal thread of the throat threaded hole 11 are in a tight fit state, and finally the main injection hole b22 is fixed at the throat of the venturi section 1, so that the effect shown in fig. 3 is achieved.
As shown in fig. 4, the main injection hole b22 is fixed at the throat part of the venturi tube section 1 to form a communicating structure shown in the figure, the venturi tube section 1 is sequentially provided with a convergent section, a throat part and a divergent section from left to right along a horizontal central axis, and fluid flowing through the area in this sequence is main working fluid diesel oil of the venturi emulsion preparation device; the main injection hole b22 is tightly matched with the throat threaded hole 11 to form a main injection hole communicated with the throat of the venturi tube section 1, the tapered section of the main injection hole b22, the throat with the auxiliary injection hole b221 and the gradually-expanding threaded port b222 are sequentially arranged from top to bottom along the vertical central axis of the throat, and fluid flowing through the main injection hole b22 in the sequence is main injection fluid water of the venturi emulsion preparation device; the auxiliary injection hole b221 is communicated with the throat part of the main injection hole b22, and the fluid flowing through the auxiliary injection hole b221 is auxiliary injection fluid propanol of the venturi emulsion preparation device. The preparation process is that diesel oil flows to the throat part through the inlet of the converging section of the venturi section 1, the speed is increased and the pressure is reduced due to the venturi effect, the throat part forms a stable low-pressure area, and fluid in the main injection hole b22 is injected to the throat part of the venturi section 1; in the main injection hole, when water flows from the inlet of the tapered section of the main injection hole b22 to the throat, the throat forms a low-pressure area similar to the process due to the Venturi effect, propanol in the auxiliary injection hole b221 is injected to the throat of the main injection hole, and the propanol and the water are fully mixed to form a propanol aqueous solution before reaching the divergent thread port b222; the diesel oil is mixed with the injected propanol water solution at the throat of the venturi section 1, and the diesel oil, the propanol and the water three-component emulsion is prepared by fully mixing at the divergent section of the venturi section 1.
As shown in fig. 1, the venturi section 1 is formed by a complete venturi section, and a threaded hole is formed in the middle of a generatrix of the lateral surface of the circular cylinder of the throat part in the radial direction. The threaded hole is a throat threaded hole 11, the diameter is 8cm, the cylindrical outer wall of the throat of the venturi section 1 starts to the inner wall to stop, the cylindrical side wall of the venturi section is provided with internal threads which are tightly matched with the external threads of the ports of the gradually expanding threads, and fine threads are adopted.
As shown in fig. 5, the variable injection ratio injection hole group 2 is composed of 3 main injection holes with similar venturi injection structures. The whole main injection hole of each Venturi injection structure is divided into three parts, namely a tapered section, a throat section with an auxiliary injection hole and a divergent section with a divergent thread port from top to bottom; the auxiliary guiding hole is radially formed along the middle point of the generatrix of the side surface of the throat section cylinder, and the thread of the gradually-expanding thread port is an external thread and is tightly matched with the internal thread of the throat threaded hole 11. The venturi injection structures of the main bodies of different main injection holes are the same, but the apertures of the auxiliary injection holes at the throats are different, wherein the diameter of the auxiliary injection hole a211 at the middle of the throat of the main injection hole a21 is 1.6cm, the diameter of the auxiliary injection hole b221 at the middle of the throat of the main injection hole b22 is 2cm, and the diameter of the auxiliary injection hole c231 at the middle of the throat of the main injection hole c23 is 2.4cm.
The emulsion is prepared by using propylene alcohol and water in the ratio of 1: 3-1: the propanol aqueous solution formed after mixing the components in proportion 5 is a main variable factor in the preparation process, and if various needed emulsion is prepared according to different preparation proportions, the main injection hole in the device has the function of variable injection ratio. The ratio flow of the main injection Kong Yinshe is changed as follows, and in combination with fig. 2, 3 and 5, the close fit between the throat threaded hole 11 and the main injection hole b22 of the venturi tube section 1 in fig. 3 should be released, and the main injection hole b22 is taken down to the state shown in fig. 2; the main injection hole b22 is replaced by a main injection hole a21, so that the injection ratio is reduced, the concentration of the propanol aqueous solution is reduced, and the injection ratio is increased and the concentration of the propanol aqueous solution is increased by replacing the main injection hole c23; the emulsion with new preparation proportion can be prepared by selecting a proper main injection hole according to the preparation requirement and re-matching and fixing the main injection hole with the throat threaded hole 11 of the venturi tube section 1.
As shown in fig. 5, the flow of diesel oil is kept unchanged, when the aqueous solution prepared by mixing propanol and water 1:5 is required to be emulsified, the main injection hole a21 is selected to be arranged at the throat part of the venturi tube section 1, the injection aperture of the throat part of the main injection hole a21 is smaller, the low-pressure injection of propanol at the same throat part is less, the injection ratio is lower, the concentration of the aqueous solution of propanol entering the venturi tube section 1 to be mixed with diesel oil to prepare the emulsified solution is low, and the preparation requirement of propanol and water 1:5 can be met; when the aqueous solution prepared by propanol and water 1:4 is required to be prepared into emulsion, the main injection hole b22 is arranged at the throat part of the venturi section 1, the injection aperture of the throat part of the main injection hole b22 is moderate, the quantity of propanol injected at the same throat part and low pressure is moderate, the injection ratio is moderate, the concentration of the aqueous solution of propanol entering the venturi section 1 and diesel oil to be mixed and prepared into emulsion is moderate, and the preparation requirement of propanol and water 1:4 can be met; when the aqueous solution prepared by the propanol and the water 1:3 is required to be prepared into emulsion, the main injection hole c23 is arranged at the throat part of the venturi section 1, the injection aperture of the throat part of the main injection hole c23 is larger, the low-pressure injection of the propanol at the same throat part is more, the injection ratio is larger, the concentration of the aqueous solution of the propanol entering the venturi section 1 and the diesel oil to be mixed and prepared into the emulsion is high, and the preparation requirement of the propanol and the water 1:3 can be met.
In summary, the invention achieves the effect of changing the concentration of the propanol aqueous solution formed in the main injection hole by replacing each main injection hole in the injection hole group with the variable injection ratio, so that the emulsion preparation device can work under various proportioning conditions, the preparation efficiency is improved, and the consumable of the preparation device is saved; all main injection holes can be detached, and the maintenance and the replacement are convenient.
Claims (3)
1. A venturi emulsion preparation device containing an injection hole of a venturi injection structure is characterized in that: comprises a venturi tube section (1) and an injection hole group (2) with variable injection ratio; the throat part of the venturi tube section (1) is provided with a throat threaded hole (11); the variable injection ratio injection hole group (2) comprises a main injection hole a (21), a main injection hole b (22) and a main injection hole c (23); the main injection hole a (21) comprises an auxiliary injection hole a (211) and a divergent thread port a (212); the main injection hole b (22) comprises an auxiliary injection hole b (221) and a divergent thread port b (222); the main injection hole c (23) comprises an auxiliary injection hole c (231) and a divergent thread port c (232); the whole main injection hole of each Venturi injection structure is divided into three parts, namely a tapered section, a throat section with an auxiliary injection hole and a divergent section with a divergent thread port from top to bottom; the auxiliary guiding hole is formed along the radial direction of the midpoint of the generatrix of the side surface of the throat section cylinder, and the thread of the gradually-expanding thread port is an external thread and is tightly matched with the internal thread of the throat thread hole (11); the venturi injection structures of the main bodies of different main injection holes are the same, but the diameters of the auxiliary injection holes at the throats are different, the diameter of the auxiliary injection hole a (211) at the middle of the throat of the main injection hole a (21) is 1.6cm, the diameter of the auxiliary injection hole b (221) at the middle of the throat of the main injection hole b (22) is 2cm, and the diameter of the auxiliary injection hole c (231) at the middle of the throat of the main injection hole c (23) is 2.4cm; the external thread of each divergent thread port is tightly matched with the internal thread of the throat threaded hole (11) of the venturi tube section (1), the main injection hole is screwed clockwise and fixed at the throat of the venturi tube section (1), and the assembly of the whole venturi emulsion preparation device is completed.
2. The venturi emulsion formulation apparatus comprising an injection orifice of a venturi injection structure of claim 1, wherein: the venturi section (1) is formed by a complete venturi section, and a threaded hole is formed in the radial direction along the midpoint of a generatrix of the lateral surface of the throat cylinder; the threaded hole is a throat threaded hole (11), the diameter of the threaded hole is 8cm, the threaded hole is cut off from the outer cylindrical wall of the throat of the venturi tube section (1) to the inner wall, the cylindrical side wall is provided with internal threads tightly matched with the external threads of the ports of the gradually-expanding threads, and fine threads are adopted.
3. The venturi emulsion formulation apparatus comprising an injection orifice of a venturi injection structure of claim 1, wherein: the main injection holes in the variable injection ratio injection hole group (2) can be mutually matched and fixed with the throat threaded holes (11) of the venturi tube section (1), the diameters of the auxiliary injection holes of the main injection holes carried on the throat of the venturi emulsion preparation device are changed according to actual proportioning working conditions, the injection ratio can be adjusted, and the purpose of changing the preparation proportion of each component in emulsion in the venturi emulsion preparation device is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025664.6A CN109499410B (en) | 2019-01-11 | 2019-01-11 | Venturi emulsion preparation device with Venturi injection structure and injection hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025664.6A CN109499410B (en) | 2019-01-11 | 2019-01-11 | Venturi emulsion preparation device with Venturi injection structure and injection hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109499410A CN109499410A (en) | 2019-03-22 |
| CN109499410B true CN109499410B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910025664.6A Active CN109499410B (en) | 2019-01-11 | 2019-01-11 | Venturi emulsion preparation device with Venturi injection structure and injection hole |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110841497B (en) * | 2019-10-30 | 2024-02-02 | 西安交通大学 | Venturi mixer with adjustable solution mixing proportion in pharmaceutical industry |
| CN113750904A (en) * | 2021-09-15 | 2021-12-07 | 无锡威顺煤矿机械有限公司 | Vacuum emulsion proportioner |
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| US6279611B2 (en) * | 1999-05-10 | 2001-08-28 | Hideto Uematsu | Apparatus for generating microbubbles while mixing an additive fluid with a mainstream liquid |
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| CN109499410A (en) | 2019-03-22 |
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